Horseshoe.



No. 829,114. PATENTED AUG. 21, 1906. P. W. LINDSLBY.

HORSBSHOB! APPLICATION FILED MAR.B,1906.

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FRANK W. LINDSLEY, OF JERSEY CITY, NEW JERSEY.

HORSESHOE.

Specification of Letters Patent.

Patented Aug. 21, 1906.

Application filed March 8,1906. Serial No. 304,948.

To all whom it may concern:

Be it known that I, FRANK W. LrNnsLnY, a citizen of the United States,and a resident of Jersey City, in the county of Hudson and State of NewJersey, have invented certain new and useful Improvements in Horseshoes,of which the following is a specification.

My invention relates to horseshoes, and has for its object to providemeans whereby the driver may readily and quickly adjust points or calksof shoe to sharpen same and prevent horse from slipping on smooth or icyroads and pavements and at the same time provide a spring-cushion tread.

My invention consists, essentially, of a horseshoe having a toe-calkprovided with adjustable toe points affording a springcushion tread andheel-calks provided with adjustable heel-points, said toe and heelpoints being so devised that they may be readily and quickly adjusted bythe driver when needed.

The nature of my invention will be best understood when described inconnection with the accompanying drawings, in which Figure 1 is a lowerface view of my imroved horseshoe. Fig. 2 is a section on the inc 2 2,Fig. 1. Fig. 3 is a view of part of the upper face. Fig. 4 is an endview of Fig. 3. Fi 5 is a plan view of the toe-calk.

imilar characters of reference designate corresponding parts throughoutthe several views.

In the drawin s, indicates the horseshoe proper, 11 the ieel-calks, and12 the toecalks. The heel-calks 11 may be formed in the usual manner ormay consist of separate steel blocks welded or screwed to the shoe 10.The toe-calk consists of a steel bar with specially-formed ends 13 andan intermediate curved bearing portion 14. This calk is riveted orscrewed to the shoe 10. The heelcalks 11, as well as the ends 13 of thetoe-calk 12, are tapped and closely threaded to receive screw-points 15,which are made to pass through the said calks and project above andbeneath said shoe, as shown. These screwpoints may be further secured bysuitable set-screws, if desired. The part of the screwpoint projectingbeneath the shoe serves to sharpen said shoe, thereby preventing a horsefrom slipping, &c. The portion projecting above the said shoe is adaptedto rcceive a key or wrench whereby it may be turned, thus lowering orraising the said screw-point to suit the occasion. I prefer to make thesaid screw] )oints 15 of steel and of substantially the form shown inthe drawings, with three equally-spaced longitudinal grooves. Ascrew-thread is out upon the said screw-points throughout their entirelength, and their centers are hardened more than the exterior, so thatthey will wear sub stantially to points. These screw-points, as stated,pass through the calks and shoe and are made to pass through at an angleconforming with the hoof 16. Between the two ends 13 of the toc-calk 12is an adjustable scries of intermediate points 16 upon the lateral edgeof a substantially semicylindrical transversely grooved or corrugatedplate 17, the points being formed and kept sharp by the wearing of saidcorrugations. The corrugations are made farther apart on one lateraledge than on the other, forming blunter and stiffer points, so that byreversing said plate a different degree of sharpness and spring may beobtained. This plate 17 bears against and is supported by the surface,curved to conform with said plate, of the intermediate curved bcarinportion of the toecalk 12 and is fastened t iereto by means of the tapbolts or screws 18. These bolts or screws pass through the slots 19 inthe plate 17, and their shanks 20 are beveled to fit the notches 21 ofsaid slots, so that by screwing down these bolts or screws 18sufliciently the plate will be confined to the particular notch desired.I have shown two notches, afford ing thereby two adjustments for eachlateral edge. The plate is also provided with notches on each of itscurved ends, and these notches are adapted to engage with the pins 22,thus affording a further means of retaining the plate 17 in properposition. The pins 22, as shown, are screwed into the intermediatecurved bearing portion 14.

By the means above described I am thus enabled to quickly and readilyadjust the toe and heel points as desired, and in providing theintermediate series of points in the form of a scmicylindricaltransversely grooved or corrugated plate I obtain the additionaladvantage of the spring-cushion tread. The end screw-points serve toprotect and supplement the intermediate points, thereby makin r a firm,substantial, and sharp footing for a orse on slippery pavements androads.

The said toe and heel points may be used separately or together, as maybe found necessary.

What I claim as new, and desire to secure by Letters Patent, is

1. A horseshoe having the usual toe-ealk; and tapped heel-ealks providedwith adjustable screw-points fitting said taps and extendin through saidshoe and outside of the hoof w ereby the heel-points may be readilylengthened by the driver to make horse sharp.

2. A horseshoe hav ng a toe-calk provided with adjustable points; andtapped heelealks provided with adjustable serew-points fitting said tapsand extending through said shoe, and outside of the hoof whereby saidtoo and heel points may be readily lengthened by driver to make horsesharp.

3. A horseshoe provided with tapped toe and heel ealks; and adjustableserewoints fitting said taps and extending throug 1 said shoe at anangle to conform with the hoof, thus providing for wear and ail'ordingan easy means of adjustment.

4. A horseshoe having a toe-ealk provided. with adjustable points aflordin cushion tread and tapped heel-cal s provided with adjustablepoints extending through said shoe.

5. A horseshoe provided with tapped toeealks; adjustable screw-pointsfitting said taps, and an adjustable series of intermediate aspringsprii'igeushion tread; and

points affording a ks provided with adjustable tapped heel-ea points.

6. A horseshoe having a toe-ealk provided with adjustable endscrew-points protecting and supplementing an adjustable series ofintermediate points; and adjustable heelpoints.

7. A horseshoe having a toe-ealk provided with adjustable endserew-poii'its protecting and supplementing an adjustable series ofintermediate points acting as a spring-cushion tread; and ad'ustableheel-points.

8. A horseshoe having a toe-calk provided with adjustable endscrew-points protecting and supplementing an adjustable series ofintermediate points on the lateral edge ofa semieylindrieal transverselygrooved or ourrugated plate; and adjustable heel-points.

9. A horseshoe having a toe-ealk provided with. adjustable endscrew-points protecting and supplementing an adjustable series ofintermediate points on the lateral edge of a semioylindriealtransversely grooved or eorrugated plate acting as a spring-cushiontread; and adjustable heel-points.

Signed at New York, in the county of New York and State of New York,this 6th day of Mareh, A. D. 1906.

FRANK \V. LINDSLEY.

\Vitn esses FREDK. F. SonUETz, SALLY O. YUDIZKY.

